To find out what will make the reaction go faster or slower.

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Aim:-

To find out what will make the reaction go faster or slower.

Background Information:-
For a chemical reaction to take place particles need to clash into each other. To make a reaction go faster you can heat up the liquid or make the liquid more concentrated. The rate of reaction can be measured by repeating it three times as well as adding more water.

Key Factors:-

Factors that will affect the reaction are the heat and the amount of water. The things that are varying is the amount of thiosulphate solution and the amount of water. I’m keeping the temperature the same.

Method:-

Equipment       -   Measuring cylinder x3

  • Sodium thiosulphate solution
  • Hydrochloric acid
  • Stop watch
  • Beaker
  • Distilled water
  • White paper with black cross on it
  • Chronicle flask
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Step to step method:

        First you have to get the equipment from the list above.

        Then put on your safety goggles.

        We set up the equipment.

        Then added the amount of thio, hydro and water.

        We stirred it 10times.

        Then started the timer.

        We waited till the solution was cloudy.

        To make sure it was the same each time we put a black cross underneath it and recorded when you couldn’t see the black cross.

        We carried out all the different volumes of solutions then recorded it into out tables. The different volumes depended on which test we ...

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